As wireless-networking technology evolves, so do the threats that a WLAN faces from intruders.

A wifi network that may have been once certified to be "fully-secured" (has anyone actually spotted a thing called fully secured wireless network?) may now very well be a free-for-all community WLAN -thanks to new hacking tools/scripts or exploits that may have been developed and released since then.

It would be highly advisable; therefore, to periodically evaluate your wireless network's security using the latest security tools, identify its weaknesses, and bolster it up as may be necessary.

The fact is, there is no such a thing as a fully secured wireless network. There are only two types of wireless networks: (1) Highly Vulnerable, and (2) Less Vulnerable. Considering that all data packets (including authentication packets) traversing a WLAN can be silently gathered by an intruder for as long as (s)he may find it necessary, it should be assumed that your network perimeters would be breached if the intruder were motivated enough. All you can do, therefore, is to make it as difficult as you possible can for someone to breach your network.